Master Key

Episode 2 (1x2)

Air date: Oct 21, 2017

Guests: Bobby (iKON), Chae-yeon (DIA), Sejeong (Gugudan), Lee Hong-gi (F.T. Island), Shownu (Monsta X), Eunhyuk (Super Junior), Sungjong (INFINITE), Chansung (2PM), Kim Jong-min, Henry Lau